gvsig-raster / org.gvsig.raster.georeferencing / trunk / org.gvsig.raster.georeferencing / org.gvsig.raster.georeferencing.swing / org.gvsig.raster.georeferencing.swing.impl / src / main / java / org / gvsig / raster / georeferencing / swing / impl / view / ViewPanelImpl.java @ 1712
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1 | 1479 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | 1477 | nbrodin | *
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3 | 1479 | nbrodin | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | 1477 | nbrodin | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 1479 | nbrodin | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 1477 | nbrodin | */
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22 | package org.gvsig.raster.georeferencing.swing.impl.view; |
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23 | |||
24 | import java.awt.BorderLayout; |
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25 | import java.awt.event.ComponentEvent; |
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26 | import java.awt.event.ComponentListener; |
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27 | import java.awt.geom.Point2D; |
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28 | import java.awt.geom.Rectangle2D; |
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29 | import java.awt.image.BufferedImage; |
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30 | |||
31 | import org.gvsig.raster.georeferencing.swing.impl.layer.ZoomCursorGraphicLayer; |
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32 | 1712 | nbrodin | import org.gvsig.raster.georeferencing.swing.view.IViewRequestManager; |
33 | 1477 | nbrodin | import org.gvsig.raster.georeferencing.swing.view.IGraphicLayer; |
34 | import org.gvsig.raster.georeferencing.swing.view.ToolListener; |
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35 | import org.gvsig.raster.georeferencing.swing.view.ViewListener; |
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36 | import org.slf4j.LoggerFactory; |
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37 | |||
38 | /**
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39 | * Panel que contiene el panel con la vista a georreferenciar
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40 | *
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41 | * 22/12/2007
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42 | * @author Nacho Brodin (nachobrodin@gmail.com)
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43 | */
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44 | public class ViewPanelImpl extends BaseZoomView implements ComponentListener { |
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45 | 1687 | nbrodin | private static final long serialVersionUID = 1L; |
46 | private ZoomCursorGraphicLayer zoomCursorGraphic = null; |
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47 | 1477 | nbrodin | private ToolListener zoomCursorGraphicListener = null; |
48 | 1687 | nbrodin | private boolean rightSideButtons = true; |
49 | 1477 | nbrodin | |
50 | /**
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51 | * Constructor.
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52 | * Crea la composici?n de controles de zoom.
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53 | * @param posX Posici?n en X
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54 | * @param posY Posici?n en Y
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55 | * @param w Tama?o en pixeles de ancho
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56 | * @param h Tama?o en pixeles de alto
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57 | */
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58 | 1687 | nbrodin | public ViewPanelImpl(ToolListener zoomCursorGraphicListener, boolean rightSideButtons) { |
59 | 1477 | nbrodin | this.zoomCursorGraphicListener = zoomCursorGraphicListener;
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60 | 1687 | nbrodin | this.rightSideButtons = rightSideButtons;
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61 | 1477 | nbrodin | init(); |
62 | } |
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63 | |||
64 | /**
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65 | * Inicializaci?n de los componentes gr?ficos
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66 | */
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67 | private void init() { |
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68 | setLayout(new BorderLayout()); |
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69 | add(getControl(), BorderLayout.CENTER);
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70 | getZoomCursorGraphicLayer(); |
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71 | } |
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72 | |||
73 | /**
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74 | * Asigna el listener de eventos de la vista
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75 | * @param listener
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76 | */
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77 | public void setViewListener(ViewListener listener) { |
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78 | getControl().setViewListener(listener); |
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79 | } |
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80 | |||
81 | |||
82 | /**
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83 | * Asigna el valor para el flag minxMaxyUL. Este flag informa de que la esquina
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84 | * superior izquierda corresponde con el valor de m?nimo X y m?ximo Y. En caso
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85 | * de ser false esta esquina ser?a de m?nimo X y m?nimo Y.
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86 | * @param v
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87 | */
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88 | 1711 | nbrodin | /*public void setMinxMaxyUL(boolean v) {
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89 | 1477 | nbrodin | getCanvas().setMinxMaxyUL(v);
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90 | 1711 | nbrodin | }*/
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91 | 1477 | nbrodin | |
92 | /**
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93 | * Asigna un nuevo centro de visualizaci?n. Vuelve a realizar la petici?n
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94 | * @param center
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95 | */
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96 | public void setCenter(Point2D center) { |
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97 | //TODO: Calcular las coordenadas del cursor gr?fico
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98 | getControl().setCenter(center); |
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99 | } |
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100 | |||
101 | /**
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102 | * Asigna los par?metros de dibujado para el raster
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103 | * @param img Buffer con un ?rea de datos
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104 | * @param ext Rectangle2D del ?rea de datos dada
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105 | * @param pixelSize Tama?o de pixel
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106 | * @param center Punto del ?rea de datos donde se quiere centrar el dibujado del buffer
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107 | */
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108 | public void setDrawParams(BufferedImage img, Rectangle2D ext, double pixelSize, Point2D center) { |
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109 | getControl().setDrawParams(img, ext, pixelSize, center) ; |
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110 | } |
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111 | |||
112 | /**
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113 | * Obtiene el panel de control de zoom de coordenadas pixel
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114 | * @return
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115 | */
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116 | public ViewControl getControl() {
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117 | if(zoomPixelControl == null) { |
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118 | 1687 | nbrodin | if(rightSideButtons)
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119 | zoomPixelControl = new ViewControl(ViewControl.RIGHT_CONTROL);
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120 | else
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121 | zoomPixelControl = new ViewControl(ViewControl.LEFT_CONTROL);
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122 | 1477 | nbrodin | zoomPixelControl.addComponentListener(this);
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123 | } |
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124 | return zoomPixelControl;
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125 | } |
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126 | |||
127 | /**
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128 | * Registra un objeto IExtensionRequest para que no se aplique un escalado sobre
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129 | * el buffer pasado por par?metro. Alternativamente a la aplicaci?n de este escalado
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130 | * se ejecutar? el m?todo request del interfaz para que el cliente pueda pasar un
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131 | * nuevo buffer con escala 1:1 y con la extensi?n correspondiente al zoom.
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132 | * @param er
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133 | */
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134 | 1712 | nbrodin | public void setRequestListener(IViewRequestManager er) { |
135 | 1477 | nbrodin | zoomPixelControl.setExtensionRequest(er); |
136 | } |
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137 | |||
138 | /*
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139 | * (non-Javadoc)
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140 | * @see org.gvsig.rastertools.georeferencing.view.BaseZoomView#addGraphicLayer(org.gvsig.rastertools.georeferencing.ui.zoom.IGraphicLayer)
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141 | */
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142 | public void addGraphicLayer(IGraphicLayer graphicLayer) { |
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143 | getControl().setGraphicLayer(graphicLayer); |
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144 | } |
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145 | |||
146 | /**
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147 | * Obtiene el la capa gr?fica con la ventana de zoom
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148 | * @return
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149 | */
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150 | public ZoomCursorGraphicLayer getZoomCursorGraphicLayer() {
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151 | if(zoomCursorGraphic == null) { |
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152 | 1495 | nbrodin | zoomCursorGraphic = new ZoomCursorGraphicLayer(getWidth() / 2, getHeight() / 2, 12, 6, zoomCursorGraphicListener); |
153 | 1477 | nbrodin | zoomCursorGraphic.setCanvas(getControl().getCanvas()); |
154 | getControl().setGraphicLayer(zoomCursorGraphic); |
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155 | } |
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156 | return zoomCursorGraphic;
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157 | } |
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158 | |||
159 | /**
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160 | * Asigna la posici?n del cursor en el canvas
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161 | * @param x Posici?n en X
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162 | * @param y Posici?n en Y
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163 | */
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164 | public void setCursorPosition(int x, int y) { |
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165 | getZoomCursorGraphicLayer().setCursorPosition(x, y); |
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166 | } |
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167 | |||
168 | /**
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169 | * Asigna el tama?o del cursor en pixeles del canvas
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170 | * @param w Ancho
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171 | * @param h Alto
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172 | */
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173 | public void setCursorSize(int w, int h) { |
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174 | getZoomCursorGraphicLayer().setCursorSize(w, h); |
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175 | } |
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176 | |||
177 | /**
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178 | * Activa o desactiva el mostrado de informaci?n
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179 | * @param showInfo
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180 | */
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181 | public void setShowInfo(boolean show) { |
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182 | zoomPixelControl.getCanvas().setShowInfo(show); |
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183 | } |
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184 | |||
185 | /**
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186 | * Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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187 | * en referencia a las coordenadas del mundo.
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188 | * @return
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189 | */
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190 | public Rectangle2D getCursorWorldCoordinates() { |
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191 | Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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192 | Point2D p1 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
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193 | Point2D p2 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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194 | return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
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195 | Math.max(p1.getY(), p2.getY()),
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196 | Math.abs(p2.getX() - p1.getX()),
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197 | Math.abs(p2.getY() - p1.getY()));
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198 | } |
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199 | |||
200 | /**
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201 | * Obtiene las coordenadas de la ventana de zoom. Las coordenadas son devueltas
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202 | * en referencia a las coordenadas del mundo. Esta llamada ajusta el tama?o de la ventana a la
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203 | * proporci?n pasada por par?metro. Es decir, si pasamos una proporci?n en la que el ancho es 3 veces
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204 | * mayor que el alto se ajustar? el zoom a esta proporci?n ya que presupone que la ventana de
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205 | * destino del zoom va a tener esas proporciones.
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206 | * @return
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207 | */
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208 | public Rectangle2D getCursorAdjustedWorldCoordinates(int wWindow, int hWindow) { |
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209 | Rectangle2D r = getZoomCursorGraphicLayer().getCursorViewCoordinates();
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210 | double x = r.getX(), y = r.getY(), w = r.getWidth(), h = r.getHeight();
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211 | |||
212 | try {
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213 | if(wWindow < hWindow) { //Si la de destino es m?s alta que ancha |
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214 | if((r.getWidth() / r.getHeight()) >= (wWindow / hWindow)) {
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215 | h = (hWindow * r.getWidth()) / wWindow; |
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216 | y = r.getCenterY() - (h / 2);
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217 | } else {
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218 | w = (wWindow * r.getHeight()) / hWindow; |
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219 | x = r.getCenterX() - (w / 2);
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220 | } |
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221 | } else { //Si la de destino es m?s ancha que alta |
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222 | if((r.getWidth() / r.getHeight()) <= (wWindow / hWindow)) {
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223 | w = (wWindow * r.getHeight()) / hWindow; |
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224 | x = r.getCenterX() - (w / 2);
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225 | } else {
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226 | h = (hWindow * r.getWidth()) / wWindow; |
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227 | y = r.getCenterY() - (h / 2);
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228 | } |
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229 | } |
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230 | }catch(ArithmeticException ex) { |
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231 | LoggerFactory.getLogger(ViewPanelImpl.class).debug("Redimensi?n de las ventanas. La altura de estas es menor que cero", this, ex); |
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232 | return r;
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233 | } |
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234 | 1711 | nbrodin | //if(zoomPixelControl.getCanvas().getMinxMaxyUL())
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235 | 1477 | nbrodin | r = new Rectangle2D.Double(x, y + h, w, h); |
236 | 1711 | nbrodin | //else
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237 | //r = new Rectangle2D.Double(x, y - h, w, h);
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238 | 1477 | nbrodin | Point2D p1 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX(), r.getY())); |
239 | Point2D p2 = zoomPixelControl.getCanvas().viewCoordsToWorld(new Point2D.Double(r.getX() + r.getWidth(), r.getY() + r.getHeight())); |
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240 | return new Rectangle2D.Double( Math.min(p1.getX(), p2.getX()), |
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241 | Math.max(p1.getY(), p2.getY()),
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242 | Math.abs(p2.getX() - p1.getX()),
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243 | Math.abs(p2.getY() - p1.getY()));
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244 | } |
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245 | |||
246 | /**
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247 | * Obtiene el extent del canvas en coordenadas del mundo real
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248 | * @return Rectangle2D
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249 | */
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250 | public Rectangle2D getViewExtent() { |
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251 | return zoomPixelControl.getCanvas().getExtent();
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252 | } |
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253 | |||
254 | public void componentHidden(ComponentEvent e) { |
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255 | } |
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256 | |||
257 | public void componentMoved(ComponentEvent e) { |
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258 | } |
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259 | |||
260 | public void componentResized(ComponentEvent e) { |
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261 | zoomPixelControl.reload(); |
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262 | } |
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263 | |||
264 | public void componentShown(ComponentEvent e) { |
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265 | } |
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266 | 1492 | nbrodin | |
267 | 1477 | nbrodin | } |